MULTIPLEX COMMUNICATION SYSTEM [MULTIPLEX COMMUNICATION SYSTEM] DTC TABLE [MULTIPLEX COMMUNICATION SYSTEM] PROCEDURES FOR DETERMINING THE LOCATION OF A MALFUNCTION [MULTIPLEX COMMUNICATION SYSTEM] DTC U0001, U0073, U2012, U2516 [MULTIPLEX COMMUNICATION SYSTEM] DTC U0073, U0516, U1900, U2516, 16:ER12 [MULTIPLEX COMMUNICATION SYSTEM] DTC U2202 [MULTIPLEX COMMUNICATION SYSTEM]